A prenatal case misunderstood as specimen confusion: 46,XY/46,XY chimerism

• Main Authors: Lin Chen (Author), Li Wang (Author), Yang Zeng (Author), Daishu Yin (Author), Feng Tang (Author), Dan Xie (Author), Hongmei Zhu (Author), Lingping Li (Author), Jing Wang (Author)
• Format: Book
• Published: BMC, 2024-02-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Chimerism results from the fusion of two zygotes in a single embryo, whereas mosaicism results from mitotic errors in a single zygote. True human chimerism is rare, with fewer than 100 cases reported in the literature. Here, we report a case in which the fetus was identified as having tetra...